Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem venceu a etapa 16?
 ###Tabelas: CREATE TABLE asian_american (asian_american_id AUTO_INCREMENT PRIMARY KEY, Letters VARCHAR, Organization VARCHAR, Nickname VARCHAR, Founding Date VARCHAR, Founding University VARCHAR, Type VARCHAR) CREATE TABLE 2000s:_incorporation (2000s:_incorporation_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Competition VARCHAR, Round VARCHAR, Opponent VARCHAR, Series VARCHAR) CREATE TABLE municipal_detachments (municipal_detachments_id AUTO_INCREMENT PRIMARY KEY, Municipality VARCHAR, Population INT, Police officers INT, Residents per officer INT, Total costs (2005) VARCHAR, Cost per capita VARCHAR, Case burden INT, Crime rate per 1,000 people INT, Police force VARCHAR) CREATE TABLE classification_leadership (classification_leadership_id AUTO_INCREMENT PRIMARY KEY, Stage VARCHAR, Winner VARCHAR, General classification VARCHAR, Points classification VARCHAR, Mountains classification VARCHAR, Trofeo Fast Team VARCHAR) CREATE TABLE lpga_tour_record (lpga_tour_record_id AUTO_INCREMENT PRIMARY KEY, Year INT, Wins INT, Earnings ($) VARCHAR, Rank INT, Scoring average INT)  
SELECT Winner FROM classification_leadership WHERE Stage = 16